Three-finned point attack mining bit



FIG. 1 is a top view showing my new design for a three-finned point-attack mining bit;

FIG. 2 is a front view of the bit of FIG. 1 showing one fin fully and the other two fins partially. Full views of the other two fins are identical and have been omitted;

FIG. 3 is a back view of the bit of FIG. 1; and,

FIG. 4 is a bottom view of the bit of FIG. 1. 

The ornamental design for a three-finned point-attack mining bit, as shown and described. 